Information Theory and Its Application to Testing

Authored by: Hua-Hua Chang , Chun Wang , Zhiliang Ying

Handbook of Item Response Theory Volume Two Statistical Tools

Print publication date:  February  2016
Online publication date:  March  2017

Print ISBN: 9781466514324
eBook ISBN: 9781315373645
Adobe ISBN:


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Information was first introduced by R.A. Fisher (1925) in a mathematically precise formulation for his statistical estimation theory (Kullback, 1959). For an observation Y assumed to follow density f(·; ?) parametrized by ?, the Fisher information is defined by

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